Home / 773,212,001.16-1,067,257,407.52-505,328,132.35

Finding the Fourth Proportional to 773,212,001.16, 1,067,257,407.52 and 505,328,132.35

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Solution

The fourth proportional to 773,212,001.16, 1,067,257,407.52 and 505,328,132.35 is: 697,499,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,212,001.16 : 1,067,257,407.52 = 505,328,132.35 : x
  2. Step 2: Convert to fraction form
    773,212,001.16/1,067,257,407.52 = 505,328,132.35/x
  3. Step 3: Cross multiply
    773,212,001.16x = 1,067,257,407.52 × 505,328,132.35
  4. Step 4: Simplify right side
    773,212,001.16x = 539,315,192,478,784,448
  5. Step 5: Solve for x
    x = 539,315,192,478,784,448/773,212,001.16
  6. Step 6: Final answer
    x = 697,499,769.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.